This video is really interesting for two reasons: first, it’s a hand-drawn animation that evolves in front of your eyes, and second, I think it explains why scientists like to write blogs for the public about science — for free! Adapted from Dan Pink’s talk at the RSA, this fascinating video illustrates the hidden truths behind what really motivates us at home and in the workplace.

So what is the implication for grades (in middle and high school especially)? Especially for students who have intrinsic motivation, sometimes grades are de-motivating, especially when you don’t have to work to get an A. Frequently, once you get the A, you stop learning.

What could be done instead?

I taught high school for 3 years, and when I first started, I asked around for guidance on what grades should mean, how should I assign grades, and some teachers just kind of looked at me not understanding the question. The general feeling seemed to be that grades were pretty arbitrary, and idiosyncratic according to the teacher and subject. But, I was also told in no uncertain terms that I could not allow more than a certain percentage of kids to get a failing grade.

Nobody told me that grades should reflect learning or mastery.

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